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sin^(2)27^(@)+sin^(2)87^(@)+sin^(2)33^(@...

sin^(2)27^(@)+sin^(2)87^(@)+sin^(2)33^(@)=

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(sin^(2)1^(@) + sin^(2)3^(@) + sin^(2)5^(@) +sin^(2)7^(@) + ….. + sin^(2)87^(@) + sin^(2)89^(@)) equals

The value of the expression sin^(2)1^(@)+sin^(2)11^(@)+sin^(2)21^(@)+ sin^(2)31^(@)+sin^(2)41^(@)+sin^(2)45^(@)+ sin^(2)49^(@)+sin^(2)59^(@)+sin^(2)69^(@)+ sin^(2)79^(@)+sin^(2)89^(@) is :

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